碰撞的冲击力将汽车压缩到原长的三分之一。

The ___impact of the crash reduced the car to a third of its original length.

子弹在撞击时爆炸。

The bullet explodes on ___impact.

陨石的撞击在月球表面形成了一个巨大的坑洞。

The meteorite's ___impact created a massive crater on the moon's surface.